not sure if its good to share, just simply replace keyword, then go to godaddy bulk search https://www.godaddy.com/en-ca/domains/bulk-domain-search
NewYorkKeyword.com
LosAngelesKeyword.com
ChicagoKeyword.com
HoustonKeyword.com
PhoenixKeyword.com
PhiladelphiaKeyword.com
SanAntonioKeyword.com...